MCP2544WFDT-H/MF

Product Overview

Category: Integrated Circuit (IC)

Use: The MCP2544WFDT-H/MF is a high-speed CAN transceiver designed for automotive and industrial applications. It provides reliable communication between microcontrollers and the CAN bus.

Characteristics: - High-speed data rates up to 1 Mbps - Supports both 5V and 3.3V microcontrollers - Low standby current consumption - Robust ESD protection - Temperature range: -40°C to +125°C

Package: The MCP2544WFDT-H/MF is available in a small-footprint 14-pin SOIC package, making it suitable for space-constrained designs.

Essence: This IC serves as a bridge between microcontrollers and the Controller Area Network (CAN) bus, enabling efficient and secure data transmission in automotive and industrial systems.

Packaging/Quantity: The MCP2544WFDT-H/MF is typically sold in reels of 2,500 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Transmitting Current: 120 mA (typical)
• Receiving Current: 25 mA (typical)
• Standby Current: 10 µA (typical)
• Maximum Data Rate: 1 Mbps
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MCP2544WFDT-H/MF features the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply (5V) | | 2 | TXD | Transmit Data | | 3 | RXD | Receive Data | | 4 | VREF | Reference Voltage Output | | 5 | VSS | Ground | | 6 | CANL | CAN Bus Low | | 7 | CANH | CAN Bus High | | 8 | SPLIT | Split Termination | | 9 | STBY | Standby Mode Control | | 10 | WAKE | Wake-Up Input | | 11 | RS | Slope Control Resistor | | 12 | OSC1 | Oscillator Input | | 13 | OSC2 | Oscillator Output | | 14 | NC | No Connection |

Functional Features

• High-speed CAN transceiver for reliable communication
• Supports both 5V and 3.3V microcontrollers, providing flexibility in system design
• Low standby current consumption helps to minimize power consumption
• Robust ESD protection ensures reliable operation in harsh environments
• Split termination feature allows for improved signal integrity
• Wake-up input enables low-power operation with the ability to wake up the system when needed

Advantages and Disadvantages

Advantages: - High-speed data rates enable fast and efficient communication - Wide operating temperature range makes it suitable for various environments - Small package size allows for space-constrained designs - Flexible voltage compatibility simplifies integration with different microcontrollers - Robust ESD protection enhances reliability

Disadvantages: - Limited pin count may restrict the number of peripherals that can be connected directly

Working Principles

The MCP2544WFDT-H/MF operates based on the Controller Area Network (CAN) protocol. It receives data from a microcontroller through the TXD pin and transmits data back to the microcontroller through the RXD pin. The transceiver converts the digital signals from the microcontroller into differential signals suitable for transmission over the CAN bus. It also performs signal conditioning and provides ESD protection to ensure reliable communication.

Application Field Plans

The MCP2544WFDT-H/MF is widely used in automotive and industrial applications, including but not limited to: - Automotive electronic control units (ECUs) - Industrial automation systems - Telematics devices - Motor control systems - Building automation systems

Alternative Models

For those seeking alternative options, the following models can be considered: - MCP2561: Similar high-speed CAN transceiver with a different pin configuration - SN65HVD230: High-speed CAN transceiver from Texas Instruments - TJA1050: Standalone CAN transceiver from NXP Semiconductors

These alternatives offer similar functionality and can be suitable replacements depending on specific design requirements.

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